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SA node is located in:...

SA node is located in:

A

Lower lateal wall of right atrium

B

Uper lateral wall of right atrium

C

Upper lateal wall of left atrium

D

Lower lateral wall of left atrium

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These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:The S.A. node acts as pacemaker. Reason:The S.A. node is located in the wall off right atrium near the interatrial septum.

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